-47.15% is the change from 861 to 455
Calculation steps:
[( 455 - 861 ) ÷ 861] x 100 = -47.15%
Formula
Percentage change = [(455 - 861) / 861] x 100
Subtract the new number by the original number
455 - 861 = -406
-406 ÷ 861 = -0.4715447154471545
-0.4715447154471545 x 100 = -47.15%